diff --git a/UICatalog/Scenarios/DimAndPosLayout.cs b/UICatalog/Scenarios/DimAndPosLayout.cs
new file mode 100644
index 0000000000..f1f543a575
--- /dev/null
+++ b/UICatalog/Scenarios/DimAndPosLayout.cs
@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Terminal.Gui;
+
+namespace UICatalog {
+	/// <summary>
+	/// This Scenario demonstrates how to use Termina.gui's Dim and Pos Layout System. 
+	/// [x] - Using Dim.Fill to fill a window
+	/// [x] - Using Dim.Fill and Dim.Pos to automatically align controls based on an initial control
+	/// [ ] - ...
+	/// </summary>
+	[ScenarioMetadata (Name: "DimAndPosLayout", Description: "Demonstrates using the Dim and Pos Layout System")]
+	[ScenarioCategory ("Layout")]
+	class DimAndPosLayout : Scenario {
+
+		public override void Setup ()
+		{
+			Top.LayoutStyle = LayoutStyle.Computed;
+			// Demonstrate using Dim to create a ruler that always measures the top-level window's width
+			// BUGBUG: Dim.Fill returns too big a value sometimes.
+			//const string rule = "|123456789";
+			//var labelRuler = new Label ("ruler") {
+			//	X = 0,
+			//	Y = 0,
+			//	Width = Dim.Fill (1),  // BUGBUG: I don't think this should be needed; DimFill() should respect container's frame. X does.
+			//	ColorScheme = Colors.Error
+			//};
+
+			//Application.OnResized += () => {
+			//	labelRuler.Text = rule.Repeat ((int)Math.Ceiling((double)(labelRuler.Bounds.Width) / (double)rule.Length))[0..(labelRuler.Bounds.Width)];
+			//};
+
+			//win.Add (labelRuler);
+
+			// Demonstrate using Dim to create a window that fills the parent with a margin
+			int margin = 20;
+			var subWin = new Window ($"Sub Windoww with {margin} character margin") {
+				X = margin,
+				Y = 2,
+				Width = Dim.Fill (margin),
+				Height = Dim.Fill ()
+			};
+			Win.Add (subWin);
+
+			int i = 1;
+			string txt = "Hello world, how are you doing today";
+			var labelList = new List<Label> ();
+			labelList.Add (new Label ($"Label:"));
+			labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Left, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
+			labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Right, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
+			labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Centered, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
+			labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Justified, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
+
+			subWin.Add (labelList.ToArray ());
+			//subWin.LayoutSubviews ();
+		}
+
+		public override void Run ()
+		{
+			base.Run ();
+		}
+	}
+
+	public static class StringExtensions {
+		public static string Repeat (this string instr, int n)
+		{
+			if (n <= 0) {
+				return null;
+			}
+
+			if (string.IsNullOrEmpty (instr) || n == 1) {
+				return instr;
+			}
+
+			return new StringBuilder (instr.Length * n)
+				.Insert (0, instr, n)
+				.ToString ();
+		}
+	}
+}
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